Report lists Grand Canyon’s Colorado River as most imperiled

According to conservation outfit American Rivers, the section of the Colorado River flowing through the Grand Canyon is most endangered freshwater way in the United States. Every year since 1984, American Rivers puts out its “America’s Most Endangered Rivers” report. This year’s report lists threats like harmful human development, groundwater depletion and uranium mines as just a few of the …

From Watersheds to Mountains, What If We Based Our Borders on Nature?

There’s little natural about the boundaries that divide states and countries. They’re often imaginary lines that result from history, conflict, or negotiation. But imagine what the world would look like if borders were set according to ecological and cultural boundaries. Bioregionalism says that’s the only logical way to divide up territory: Let watersheds, mountain ranges, microclimates, and the local knowledge …